题目内容
一 Why didn't you remind him of the possible danger?
一 But what _____ otherwise? He never listens to me.
一 But what _____ otherwise? He never listens to me.
[ ]
A. could I do
B. could I have done
C. should I do
D. must I have done
B. could I have done
C. should I do
D. must I have done
B
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